Reckless and daring Nils is quite a rebel against authority. One day the mischievous elf Athanor transforms Nils into a miniature human. Nils discovers that he can talk to animals and he makes a new friend, Martin the gander. With his faithful friend Martin, Nils embarks on the most extraordinary journey among the wild geese. Among Akka, the experienced yet somewhat eccentric old leader of the geese, Gorgo the Eagle who believes he is a goose, the charming Soft Feather and her two rival sisters, the maverick boy learns to come to terms with the rules of a community. He finds himself a family. But what were Athanor’s true intentions when he initially transformed Nils? To give the young and inexperienced elf Lina an ally to block the dangerous Dark Elf’s schemes of conquest and to help protect her world and nature itself.